Home / 17,354,108.40-26,006,279.40-12,769,378.80

Finding the Fourth Proportional to 17,354,108.40, 26,006,279.40 and 12,769,378.80

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Solution

The fourth proportional to 17,354,108.40, 26,006,279.40 and 12,769,378.80 is: 19,135,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,354,108.40 : 26,006,279.40 = 12,769,378.80 : x
  2. Step 2: Convert to fraction form
    17,354,108.40/26,006,279.40 = 12,769,378.80/x
  3. Step 3: Cross multiply
    17,354,108.40x = 26,006,279.40 × 12,769,378.80
  4. Step 4: Simplify right side
    17,354,108.40x = 332,084,032,837,236.75
  5. Step 5: Solve for x
    x = 332,084,032,837,236.75/17,354,108.40
  6. Step 6: Final answer
    x = 19,135,758.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.